title: Country cardiograms case 49.
authors.affiliation: Tumbler Ridge, BC.
authors.forename: Charles
authors.initials: C
authors.lastname: Helm
mesh_terms: D003937:Diagnosis, Differential; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008875:Middle Aged; D011655:Pulmonary Embolism / Q000175:diagnosis*